DNA Structure
DNA's shape is described as a ________________________.
Double Helix OR Twisted Ladder
If a strand of DNA is CCTAGGA, what would be the complementary strand during DNA replication?
GGATCCT
RNA does not contain the nitrogenous base thymine. Instead, it contains __________.
Uracil
The process of using the information in DNA to make a strand of mRNA is called ______________.
Transcription
Protein or polypeptide
What makes up the sides of the "ladder" in DNA (aka - the backbone)?
Sugar & Phosphate
Same/Opposition
Is the sequence below a DNA or RNA sequence?
AUUGGACTU
RNA
What does the "m" stand for in mRNA?
Messenger
What would the polypeptide sequence be for this mRNA sequence?
AUG CGC GAA UUA UGA
Met - Arg - Glu - Leu
What part of the nucleotide faces the middle of the DNA double helix?
The nitrogenous bases (ATCG)
Replication fork
The sugar found in DNA is called ___________.
Deoxyribose
Transcribe this sequence of DNA to mRNA.
GGCTATCTGA
CCGAUAGACU
The start codon for mRNA is ______.
AUG
If there is 40% adenine in an organism's DNA, what percent of cytosine would makeup the DNA?
10% cytosine
This enzyme adds new DNA nucleotides across from the DNA template strand.
Name TWO similarities between DNA and RNA.
-made of nucleotides
-contain cytosine, guanine, and adenine
-contain a phosphate and 5-carbon sugar
What enzyme adds RNA nucleotides across from the DNA template strand during transcription?
RNA polymerase
Proteins are made of small units called ______________________.
Amino acids
Sugar, phosphate
Which of these words does not belong with DNA replication?
- DNA polymerase
- Helicase
- Nucleotides
- RNA polymerase
- Replication fork
RNA polymerase (used in transcription, not replication)
Do your cells have DNA, RNA, or both?
Why does DNA need to be transcribed to mRNA?
mRNA is then used to make a protein
What would the polypeptide sequence be for this DNA sequence?
TAC CCC GTA AAA ATT